diff --git a/gen/main/java/testapi/async/reactor/MediatypeApi.java b/gen/main/java/testapi/async/reactor/MediatypeApi.java
index 93bf02ac..eb3cbff3 100644
--- a/gen/main/java/testapi/async/reactor/MediatypeApi.java
+++ b/gen/main/java/testapi/async/reactor/MediatypeApi.java
@@ -31,7 +31,6 @@ reactor.core.publisher.Mono<io.micronaut.http.HttpResponse<Multipart>> mediatype
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.StreamingFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/async/simple/MediatypeApi.java b/gen/main/java/testapi/async/simple/MediatypeApi.java
index 3de91cee..9d18bcc1 100644
--- a/gen/main/java/testapi/async/simple/MediatypeApi.java
+++ b/gen/main/java/testapi/async/simple/MediatypeApi.java
@@ -33,7 +33,6 @@ reactor.core.publisher.Mono<Multipart> mediatypeConsumesMultipartWithFileUpload(
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.StreamingFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/defaults/MediatypeApi.java b/gen/main/java/testapi/defaults/MediatypeApi.java
index fe8785d1..6f829273 100644
--- a/gen/main/java/testapi/defaults/MediatypeApi.java
+++ b/gen/main/java/testapi/defaults/MediatypeApi.java
@@ -31,7 +31,6 @@ io.micronaut.http.HttpResponse<Multipart> mediatypeConsumesMultipartWithFileUplo
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/modelsuffix/MediatypeApi.java b/gen/main/java/testapi/modelsuffix/MediatypeApi.java
index 93a4b649..c992e96b 100644
--- a/gen/main/java/testapi/modelsuffix/MediatypeApi.java
+++ b/gen/main/java/testapi/modelsuffix/MediatypeApi.java
@@ -31,7 +31,6 @@ io.micronaut.http.HttpResponse<MultipartVO> mediatypeConsumesMultipartWithFileUp
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/nogeneric/MediatypeApi.java b/gen/main/java/testapi/nogeneric/MediatypeApi.java
index 6329cb6a..5dad8771 100644
--- a/gen/main/java/testapi/nogeneric/MediatypeApi.java
+++ b/gen/main/java/testapi/nogeneric/MediatypeApi.java
@@ -33,7 +33,6 @@ Multipart mediatypeConsumesMultipartWithFileUpload(
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/nooptional/MediatypeApi.java b/gen/main/java/testapi/nooptional/MediatypeApi.java
index 6f204c02..8ab7967b 100644
--- a/gen/main/java/testapi/nooptional/MediatypeApi.java
+++ b/gen/main/java/testapi/nooptional/MediatypeApi.java
@@ -31,7 +31,6 @@ io.micronaut.http.HttpResponse<Multipart> mediatypeConsumesMultipartWithFileUplo
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/novalidation/MediatypeApi.java b/gen/main/java/testapi/novalidation/MediatypeApi.java
index 741fd15b..3590459d 100644
--- a/gen/main/java/testapi/novalidation/MediatypeApi.java
+++ b/gen/main/java/testapi/novalidation/MediatypeApi.java
@@ -30,7 +30,6 @@ io.micronaut.http.HttpResponse<Multipart> mediatypeConsumesMultipartWithFileUplo
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/packages/api/MediatypeApi.java b/gen/main/java/testapi/packages/api/MediatypeApi.java
index 5e3de36c..e8c57751 100644
--- a/gen/main/java/testapi/packages/api/MediatypeApi.java
+++ b/gen/main/java/testapi/packages/api/MediatypeApi.java
@@ -33,7 +33,6 @@ io.micronaut.http.HttpResponse<Multipart> mediatypeConsumesMultipartWithFileUplo
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/gen/main/java/testapi/types/MediatypeApi.java b/gen/main/java/testapi/types/MediatypeApi.java
index 124d8859..b5c3ddb9 100644
--- a/gen/main/java/testapi/types/MediatypeApi.java
+++ b/gen/main/java/testapi/types/MediatypeApi.java
@@ -30,7 +30,6 @@ io.micronaut.http.HttpResponse<Multipart> mediatypeConsumesMultipartWithFileUplo
 			@io.micronaut.http.annotation.Part(value = "userId")
 			java.lang.Integer userId,
 			@io.micronaut.core.annotation.NonNull
-			@io.micronaut.http.annotation.Part(value = "file")
 			io.micronaut.http.multipart.CompletedFileUpload file);
 
 	@io.micronaut.http.annotation.Post("/mediatype/consumes-multipart-without-fileupload")
diff --git a/pom.xml b/pom.xml
index ba4b9727..ec2c88a9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -67,31 +67,56 @@
 
 		<maven.compiler.source>17</maven.compiler.source>
 		<maven.compiler.target>17</maven.compiler.target>
-		<maven.compiler.compilerArgument>-Xlint:all,-processing,-unchecked,-rawtypes,-serial</maven.compiler.compilerArgument>
 
 		<!-- ===================================================================== -->
 		<!-- ============================= Versions ============================== -->
 		<!-- ===================================================================== -->
 
-		<version.io.micronaut>3.10.0</version.io.micronaut>
-		<version.io.micronaut.security>3.11.1</version.io.micronaut.security>
-		<version.org.junit.jupiter>5.10.0</version.org.junit.jupiter>
+		<version.io.micronaut.platform>4.0.3</version.io.micronaut.platform>
 		<version.org.openapitools.generator>7.0.0-beta</version.org.openapitools.generator>
 		<version.org.openapitools.jackson.nullable>0.2.6</version.org.openapitools.jackson.nullable>
 
 	</properties>
 
+	<dependencyManagement>
+		<dependencies>
+			<dependency>
+				<groupId>io.micronaut.platform</groupId>
+				<artifactId>micronaut-platform</artifactId>
+				<version>${version.io.micronaut.platform}</version>
+				<type>pom</type>
+				<scope>import</scope>
+			</dependency>
+		</dependencies>
+	</dependencyManagement>
 	<dependencies>
 
+		<!-- openapi -->
+		<dependency>
+			<groupId>org.openapitools</groupId>
+			<artifactId>openapi-generator</artifactId>
+			<version>${version.org.openapitools.generator}</version>
+			<scope>provided</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.openapitools</groupId>
+			<artifactId>jackson-databind-nullable</artifactId>
+			<version>${version.org.openapitools.jackson.nullable}</version>
+			<scope>test</scope>
+		</dependency>
+
 		<!-- micronaut -->
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http</artifactId>
-			<version>${version.io.micronaut}</version>
 			<exclusions>
 				<exclusion>
 					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-inject</artifactId>
+					<artifactId>micronaut-context</artifactId>
+				</exclusion>
+				<exclusion>
+					<groupId>io.micronaut</groupId>
+					<artifactId>micronaut-context-propagation</artifactId>
 				</exclusion>
 				<exclusion>
 					<groupId>io.micronaut</groupId>
@@ -110,7 +135,6 @@
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-core</artifactId>
-			<version>${version.io.micronaut}</version>
 			<scope>provided</scope>
 			<exclusions>
 				<exclusion>
@@ -119,150 +143,54 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+
+		<!-- test -->
 		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-http-client-core</artifactId>
-			<version>${version.io.micronaut}</version>
+			<groupId>org.junit.jupiter</groupId>
+			<artifactId>junit-jupiter-api</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-core-reactive</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-runtime</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.slf4j</groupId>
-					<artifactId>slf4j-api</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.projectreactor</groupId>
-					<artifactId>reactor-core</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
+
+		<!-- generated sources -->
 		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-inject</artifactId>
-			<version>${version.io.micronaut}</version>
+			<groupId>jakarta.annotation</groupId>
+			<artifactId>jakarta.annotation-api</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>org.slf4j</groupId>
-					<artifactId>slf4j-api</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-core</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.yaml</groupId>
-					<artifactId>snakeyaml</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-validation</artifactId>
-			<version>${version.io.micronaut}</version>
+			<groupId>jakarta.validation</groupId>
+			<artifactId>jakarta.validation-api</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-core-reactive</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-inject</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.projectreactor</groupId>
-					<artifactId>reactor-core</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.reactivestreams</groupId>
-					<artifactId>reactive-streams</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.slf4j</groupId>
-					<artifactId>slf4j-api</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.yaml</groupId>
-					<artifactId>snakeyaml</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 		<dependency>
-			<groupId>io.micronaut.security</groupId>
-			<artifactId>micronaut-security</artifactId>
-			<version>${version.io.micronaut.security}</version>
+			<groupId>javax.annotation</groupId>
+			<artifactId>javax.annotation-api</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-inject</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-http-server</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-validation</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>io.micronaut</groupId>
-					<artifactId>micronaut-http</artifactId>
-				</exclusion>
-				<exclusion>
-					<groupId>org.reactivestreams</groupId>
-					<artifactId>reactive-streams</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
-
-		<!-- openapi -->
 		<dependency>
-			<groupId>org.openapitools</groupId>
-			<artifactId>openapi-generator</artifactId>
-			<version>${version.org.openapitools.generator}</version>
-			<scope>provided</scope>
+			<groupId>javax.validation</groupId>
+			<artifactId>validation-api</artifactId>
+			<version>2.0.1.Final</version>
+			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.openapitools</groupId>
-			<artifactId>jackson-databind-nullable</artifactId>
-			<version>${version.org.openapitools.jackson.nullable}</version>
+			<groupId>io.micronaut</groupId>
+			<artifactId>micronaut-http-client-core</artifactId>
 			<scope>test</scope>
-			<exclusions>
-				<exclusion>
-					<groupId>com.fasterxml.jackson.core</groupId>
-					<artifactId>jackson-databind</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
-
-		<!-- test -->
 		<dependency>
-			<groupId>org.junit.jupiter</groupId>
-			<artifactId>junit-jupiter-api</artifactId>
-			<version>${version.org.junit.jupiter}</version>
+			<groupId>io.micronaut.security</groupId>
+			<artifactId>micronaut-security</artifactId>
 			<scope>test</scope>
 		</dependency>
-
-		<!-- generated sources -->
 		<dependency>
-			<groupId>jakarta.validation</groupId>
-			<artifactId>jakarta.validation-api</artifactId>
-			<version>3.0.2</version>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-api</artifactId>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
 			<artifactId>spring-context</artifactId>
-			<version>5.3.25</version>
 			<scope>test</scope>
 			<exclusions>
 				<exclusion>
@@ -318,6 +246,7 @@
 							<goal>testCompile</goal>
 						</goals>
 						<configuration>
+							<compilerArgument>-Xlint:none</compilerArgument>
 							<skip>${skipTests}</skip>
 						</configuration>
 					</execution>
diff --git a/src/it/pom.xml b/src/it/pom.xml
index 02520b06..17ee9f17 100644
--- a/src/it/pom.xml
+++ b/src/it/pom.xml
@@ -29,7 +29,8 @@
 
 		<!-- dependencies -->
 
-		<version.io.micronaut>@version.io.micronaut@</version.io.micronaut>
+		<version.io.micronaut.platform>@version.io.micronaut.platform@</version.io.micronaut.platform>
+		<version.io.micronaut.serde>2.2.0</version.io.micronaut.serde>
 		<version.org.openapitools.generator>@version.org.openapitools.generator@</version.org.openapitools.generator>
 		<version.org.openapitools.jackson.nullable>@version.org.openapitools.jackson.nullable@</version.org.openapitools.jackson.nullable>
 
@@ -48,9 +49,9 @@
 
 			<!-- micronaut -->
 			<dependency>
-				<groupId>io.micronaut</groupId>
-				<artifactId>micronaut-bom</artifactId>
-				<version>${version.io.micronaut}</version>
+				<groupId>io.micronaut.platform</groupId>
+				<artifactId>micronaut-platform</artifactId>
+				<version>${version.io.micronaut.platform}</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>
@@ -64,11 +65,16 @@
 	</dependencyManagement>
 	<dependencies>
 
-		<!-- avoid compiler warning, see https://docs.micronaut.io/latest/guide/#_nullable_annotations -->
+		<!-- test -->
 		<dependency>
-			<groupId>com.google.code.findbugs</groupId>
-			<artifactId>jsr305</artifactId>
-			<scope>provided</scope>
+			<groupId>org.slf4j</groupId>
+			<artifactId>slf4j-simple</artifactId>
+			<scope>test</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.yaml</groupId>
+			<artifactId>snakeyaml</artifactId>
+			<scope>test</scope>
 		</dependency>
 
 	</dependencies>
diff --git a/src/it/test-api-async-reactor-generic/pom.xml b/src/it/test-api-async-reactor-generic/pom.xml
index 8cd55071..d6155987 100644
--- a/src/it/test-api-async-reactor-generic/pom.xml
+++ b/src/it/test-api-async-reactor-generic/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-async-reactor-nogeneric/pom.xml b/src/it/test-api-async-reactor-nogeneric/pom.xml
index 9a8ef9dc..5e9d0e94 100644
--- a/src/it/test-api-async-reactor-nogeneric/pom.xml
+++ b/src/it/test-api-async-reactor-nogeneric/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-async-rxjava2-generic/pom.xml b/src/it/test-api-async-rxjava2-generic/pom.xml
index 70614804..3b54cd4b 100644
--- a/src/it/test-api-async-rxjava2-generic/pom.xml
+++ b/src/it/test-api-async-rxjava2-generic/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-async-rxjava2-nogeneric/pom.xml b/src/it/test-api-async-rxjava2-nogeneric/pom.xml
index 84b496a6..06ce56b6 100644
--- a/src/it/test-api-async-rxjava2-nogeneric/pom.xml
+++ b/src/it/test-api-async-rxjava2-nogeneric/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-async-rxjava3-generic/pom.xml b/src/it/test-api-async-rxjava3-generic/pom.xml
index b5a5ef07..9b49e808 100644
--- a/src/it/test-api-async-rxjava3-generic/pom.xml
+++ b/src/it/test-api-async-rxjava3-generic/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-async-rxjava3-nogeneric/pom.xml b/src/it/test-api-async-rxjava3-nogeneric/pom.xml
index 803cbc84..1d380380 100644
--- a/src/it/test-api-async-rxjava3-nogeneric/pom.xml
+++ b/src/it/test-api-async-rxjava3-nogeneric/pom.xml
@@ -26,6 +26,10 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -81,7 +85,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-nogeneric/pom.xml b/src/it/test-api-nogeneric/pom.xml
index 34db3e06..ba0b4e5f 100644
--- a/src/it/test-api-nogeneric/pom.xml
+++ b/src/it/test-api-nogeneric/pom.xml
@@ -13,10 +13,6 @@
 	<dependencies>
 
 		<!-- micronaut -->
-		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-validation</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-client</artifactId>
@@ -26,6 +22,14 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>io.micronaut.validation</groupId>
+			<artifactId>micronaut-validation</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -79,17 +83,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
-						</path>
-						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
 						</path>
 						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-http-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-nooptional/pom.xml b/src/it/test-api-nooptional/pom.xml
index 153067fa..1e9c7132 100644
--- a/src/it/test-api-nooptional/pom.xml
+++ b/src/it/test-api-nooptional/pom.xml
@@ -13,10 +13,6 @@
 	<dependencies>
 
 		<!-- micronaut -->
-		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-validation</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-client</artifactId>
@@ -26,6 +22,14 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>io.micronaut.validation</groupId>
+			<artifactId>micronaut-validation</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -82,17 +86,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
-						</path>
-						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
 						</path>
 						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-http-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api-novalidation/pom.xml b/src/it/test-api-novalidation/pom.xml
index a156355e..17c33259 100644
--- a/src/it/test-api-novalidation/pom.xml
+++ b/src/it/test-api-novalidation/pom.xml
@@ -16,18 +16,16 @@
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-client</artifactId>
-			<exclusions>
-				<exclusion>
-					<groupId>javax.validation</groupId>
-					<artifactId>validation-api</artifactId>
-				</exclusion>
-			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -80,7 +78,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
+						</path>
+						<path>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-api/pom.xml b/src/it/test-api/pom.xml
index 30b92233..b44c69ee 100644
--- a/src/it/test-api/pom.xml
+++ b/src/it/test-api/pom.xml
@@ -13,10 +13,6 @@
 	<dependencies>
 
 		<!-- micronaut -->
-		<dependency>
-			<groupId>io.micronaut</groupId>
-			<artifactId>micronaut-validation</artifactId>
-		</dependency>
 		<dependency>
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-client</artifactId>
@@ -26,6 +22,14 @@
 			<artifactId>micronaut-http-server-netty</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>io.micronaut.validation</groupId>
+			<artifactId>micronaut-validation</artifactId>
+		</dependency>
 		<dependency>
 			<groupId>io.micronaut.xml</groupId>
 			<artifactId>micronaut-jackson-xml</artifactId>
@@ -53,17 +57,12 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
-						</path>
-						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
 						</path>
 						<path>
-							<groupId>io.micronaut</groupId>
-							<artifactId>micronaut-http-validation</artifactId>
-							<version>${version.io.micronaut}</version>
+							<groupId>io.micronaut.serde</groupId>
+							<artifactId>micronaut-serde-processor</artifactId>
+							<version>${version.io.micronaut.serde}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
diff --git a/src/it/test-custom-output/pom.xml b/src/it/test-custom-output/pom.xml
index 1269a748..343a6bd9 100644
--- a/src/it/test-custom-output/pom.xml
+++ b/src/it/test-custom-output/pom.xml
@@ -17,6 +17,10 @@
 			<groupId>io.micronaut</groupId>
 			<artifactId>micronaut-http-client</artifactId>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 
 	</dependencies>
 
diff --git a/src/it/test-security/pom.xml b/src/it/test-security/pom.xml
index fa23564b..0a136543 100644
--- a/src/it/test-security/pom.xml
+++ b/src/it/test-security/pom.xml
@@ -31,6 +31,10 @@
 			<artifactId>micronaut-security-jwt</artifactId>
 			<scope>runtime</scope>
 		</dependency>
+		<dependency>
+			<groupId>io.micronaut.serde</groupId>
+			<artifactId>micronaut-serde-jackson</artifactId>
+		</dependency>
 
 		<!-- test -->
 		<dependency>
@@ -53,7 +57,7 @@
 						<path>
 							<groupId>io.micronaut</groupId>
 							<artifactId>micronaut-inject-java</artifactId>
-							<version>${version.io.micronaut}</version>
+							<version>${version.io.micronaut.platform}</version>
 						</path>
 					</annotationProcessorPaths>
 				</configuration>
@@ -66,6 +70,9 @@
 				<configuration>
 					<modelPackage>codegen.server</modelPackage>
 					<inputSpec>@project.basedir@/src/test/resources/openapi/test-security.yaml</inputSpec>
+					<configOptions>
+						<useBeanValidation>false</useBeanValidation>
+					</configOptions>
 				</configuration>
 			</plugin>
 
diff --git a/src/main/java/org/openapitools/codegen/languages/MicronautCodegen.java b/src/main/java/org/openapitools/codegen/languages/MicronautCodegen.java
index 60f6b4a2..7ef7daf5 100644
--- a/src/main/java/org/openapitools/codegen/languages/MicronautCodegen.java
+++ b/src/main/java/org/openapitools/codegen/languages/MicronautCodegen.java
@@ -504,6 +504,7 @@ public boolean isDataTypeString(String dataType) {
 		return "java.lang.String".equals(dataType) || "String".equals(dataType);
 	}
 
+	@SuppressWarnings("rawtypes")
 	@Override
 	public String toDefaultValue(Schema schema) {
 		if (ModelUtils.isGenerateAliasAsModel() && schema.get$ref() != null) {
@@ -512,6 +513,7 @@ public String toDefaultValue(Schema schema) {
 		return super.toDefaultValue(schema);
 	}
 
+	@SuppressWarnings({ "rawtypes", "unchecked" })
 	@Override
 	public String toExampleValue(Schema schema) {
 
diff --git a/src/main/resources/Micronaut/apiServerParams.mustache b/src/main/resources/Micronaut/apiServerParams.mustache
index 1e9d3f2a..3c624ffc 100644
--- a/src/main/resources/Micronaut/apiServerParams.mustache
+++ b/src/main/resources/Micronaut/apiServerParams.mustache
@@ -4,8 +4,8 @@
 {{/required}}{{^required}}{{^useOptional}}			@{{type.Nullable}}
 {{/useOptional}}{{#useOptional}}			@{{type.Nonnull}}
 {{/useOptional}}{{/required}}{{#isBodyParam}}			@io.micronaut.http.annotation.Body
-{{/isBodyParam}}{{#isFormParam}}			@io.micronaut.http.annotation.Part(value = "{{baseName}}")
-{{/isFormParam}}{{#isQueryParam}}			@io.micronaut.http.annotation.QueryValue{{^isArray}}(value = "{{baseName}}"{{^isContainer}}{{#defaultValue}}, defaultValue = "{{defaultValue}}"{{/defaultValue}}{{/isContainer}}){{/isArray}}
+{{/isBodyParam}}{{#isFormParam}}{{^isFile}}			@io.micronaut.http.annotation.Part(value = "{{baseName}}")
+{{/isFile}}{{/isFormParam}}{{#isQueryParam}}			@io.micronaut.http.annotation.QueryValue{{^isArray}}(value = "{{baseName}}"{{^isContainer}}{{#defaultValue}}, defaultValue = "{{defaultValue}}"{{/defaultValue}}{{/isContainer}}){{/isArray}}
 {{/isQueryParam}}{{#isCookieParam}}			@io.micronaut.http.annotation.CookieValue(value = "{{baseName}}"{{#defaultValue}}, defaultValue = "{{defaultValue}}"{{/defaultValue}})
 {{/isCookieParam}}{{#isPathParam}}			@io.micronaut.http.annotation.PathVariable(value = "{{baseName}}"{{#defaultValue}}, defaultValue = "{{defaultValue}}"{{/defaultValue}})
 {{/isPathParam}}{{#isHeaderParam}}			@io.micronaut.http.annotation.Header(value = "{{baseName}}"{{#defaultValue}}, defaultValue = "{{defaultValue}}"{{/defaultValue}})
diff --git a/src/main/resources/Micronaut/support/TimeTypeConverterRegistrar.mustache b/src/main/resources/Micronaut/support/TimeTypeConverterRegistrar.mustache
index af394573..bc88daa6 100644
--- a/src/main/resources/Micronaut/support/TimeTypeConverterRegistrar.mustache
+++ b/src/main/resources/Micronaut/support/TimeTypeConverterRegistrar.mustache
@@ -9,7 +9,7 @@ import java.time.format.DateTimeParseException;
 import java.util.Optional;
 
 import io.micronaut.context.annotation.BootstrapContextCompatible;
-import io.micronaut.core.convert.ConversionService;
+import io.micronaut.core.convert.MutableConversionService;
 import io.micronaut.core.convert.TypeConverterRegistrar;
 
 {{>generated}}@{{type.Singleton}}
@@ -17,7 +17,7 @@ import io.micronaut.core.convert.TypeConverterRegistrar;
 public class TimeTypeConverterRegistrar implements TypeConverterRegistrar {
 
 	@Override
-	public void register(ConversionService<?> conversionService) {
+	public void register(MutableConversionService conversionService) {
 
 		conversionService.addConverter(Instant.class, String.class, Instant::toString);
 		conversionService.addConverter(String.class, Instant.class, (object, type, context) -> {